Aircraft



FIG. 1 is a front elevational view of an aircraft showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left, bottom, rear perspective view thereof; and,

FIG. 8 is a front, right, top perspective view thereof.

The broken lines in the figures are included for the purpose of illustrating portions of the article which form no part of the claimed design. 

CLAIM The ornamental design for an aircraft, as shown and described. 